EP2662724A3 - Projector - Google Patents

Projector Download PDF

Info

Publication number
EP2662724A3
EP2662724A3 EP13166789.1A EP13166789A EP2662724A3 EP 2662724 A3 EP2662724 A3 EP 2662724A3 EP 13166789 A EP13166789 A EP 13166789A EP 2662724 A3 EP2662724 A3 EP 2662724A3
Authority
EP
European Patent Office
Prior art keywords
light
region
reflecting section
light source
density
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13166789.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2662724A2 (en
Inventor
Yoshitaka Itoh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of EP2662724A2 publication Critical patent/EP2662724A2/en
Publication of EP2662724A3 publication Critical patent/EP2662724A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
    • G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2013—Plural light sources
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • H04N9/3114—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing one colour at a time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3152—Modulator illumination systems for shaping the light beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP13166789.1A 2012-05-07 2013-05-07 Projector Withdrawn EP2662724A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012105676A JP6051585B2 (ja) 2012-05-07 2012-05-07 プロジェクター

Publications (2)

Publication Number Publication Date
EP2662724A2 EP2662724A2 (en) 2013-11-13
EP2662724A3 true EP2662724A3 (en) 2017-05-31

Family

ID=48577480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13166789.1A Withdrawn EP2662724A3 (en) 2012-05-07 2013-05-07 Projector

Country Status (5)

Country Link
US (1) US9357189B2 (enExample)
EP (1) EP2662724A3 (enExample)
JP (1) JP6051585B2 (enExample)
KR (1) KR101988669B1 (enExample)
CN (1) CN103389613B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6452073B2 (ja) * 2014-02-28 2019-01-16 日亜化学工業株式会社 発光デバイスおよび発光デバイスを有する装置
JP7102843B2 (ja) * 2018-03-27 2022-07-20 セイコーエプソン株式会社 光源装置およびプロジェクター
JP7091802B2 (ja) * 2018-04-17 2022-06-28 セイコーエプソン株式会社 プロジェクター
CN109828428B (zh) 2019-03-05 2020-11-17 明基智能科技（上海）有限公司 投影机与光侦测电路
TWI739070B (zh) 2019-03-05 2021-09-11 明基電通股份有限公司 投影機與光偵測電路
JP7234861B2 (ja) * 2019-08-23 2023-03-08 株式会社Ｊｖｃケンウッド 光源装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000075406A (ja) * 1998-08-27 2000-03-14 Futaba Corp プロジェクタ用光源及びプロジェクタ
JP2003149597A (ja) * 2001-11-13 2003-05-21 Casio Comput Co Ltd 表示装置
US20050174775A1 (en) * 2004-02-11 2005-08-11 3M Innovative Properties Company Light-collecting illumination system
EP1688779A1 (en) * 2005-02-04 2006-08-09 Samsung Electronics Co, Ltd Light tunnel for projection apparatus
US20070046901A1 (en) * 2005-08-23 2007-03-01 Casio Computer Co., Ltd. Projection device and projection control method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11195317A (ja) * 1997-12-26 1999-07-21 Kyocera Corp Ｌｅｄユニット供給電流が異なる反射形ｌｅｄ照明装置
JP2003255465A (ja) * 2002-02-28 2003-09-10 Toshiba Corp 照明装置とこれを用いた投写型表示装置
JP4203622B2 (ja) 2003-03-17 2009-01-07 ヤマハ株式会社 反射型プロジェクタ
JP2004335992A (ja) * 2003-04-18 2004-11-25 Victor Co Of Japan Ltd 光源装置及びこの光源装置を適用した投射型表示装置
DE602005019557D1 (de) * 2004-05-05 2010-04-08 Imax Corp Hochleistungsfähiges stereographisches projektionssystem mit mehreren quellen
JP2007059139A (ja) * 2005-08-23 2007-03-08 Casio Comput Co Ltd 光源装置
JP4096016B2 (ja) * 2006-09-26 2008-06-04 中外炉工業株式会社 蓄熱式ラジアントチューブバーナの燃焼方法
JP4963925B2 (ja) * 2006-10-13 2012-06-27 三菱電機株式会社 レーザ光源装置及び映像表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000075406A (ja) * 1998-08-27 2000-03-14 Futaba Corp プロジェクタ用光源及びプロジェクタ
JP2003149597A (ja) * 2001-11-13 2003-05-21 Casio Comput Co Ltd 表示装置
US20050174775A1 (en) * 2004-02-11 2005-08-11 3M Innovative Properties Company Light-collecting illumination system
EP1688779A1 (en) * 2005-02-04 2006-08-09 Samsung Electronics Co, Ltd Light tunnel for projection apparatus
US20070046901A1 (en) * 2005-08-23 2007-03-01 Casio Computer Co., Ltd. Projection device and projection control method

Also Published As

Publication number Publication date
CN103389613A (zh) 2013-11-13
KR101988669B1 (ko) 2019-06-12
US20130293849A1 (en) 2013-11-07
US9357189B2 (en) 2016-05-31
KR20130124902A (ko) 2013-11-15
JP6051585B2 (ja) 2016-12-27
CN103389613B (zh) 2017-04-12
JP2013235043A (ja) 2013-11-21
EP2662724A2 (en) 2013-11-13

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